Quote Originally Posted by AP2020 View Post
This unit does have two 20W laser diodes inside with two optical links going to external laser head.

Attachment 56573
I have a spectra physics T40 technical manual.
It is 90 pages. The final 10 pages or so are schematics and unreadable, but the rest should get you the answers to all of the questions that you've been posting here.
email me at:
terry.rpsa@gmail.com and I can get a PDF copy to you.